Citizen Promaster Diver BN2025-02E Men's WatchIt’s a beast of a dive tool that’s very big and thick with a striking look. This lump of solidity works on solar power. It’s a Eco-Drive movement in a Godzilla like appearance; hence the name Ecozilla. Its unidirectional rotating bezel and a full analog timekeeping visualization retains its DIVER looks while the high-tech Eco-Drive movement, with 330 days of power reserve, ensures things be spot-on accurate.